| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at most | 24 |
|
| 2 | of at most | 9 |
|
| 3 | of at most | 9 |
|
| 4 | for at most | 6 |
|
| 5 | for at most | 6 |
|
